CVE-2019-19045
What it is
A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of service disruption.
- Exploit odds
- 0.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.6% in the next 30 days (EPSS).
- Severity: 4.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-401
- Record status
- Modified
Affected
- Linux Kernel < 5.3.11
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 19.04
- Canonical Ubuntu Linux 19.10
- Opensuse Leap 15.1
Attack profile CVSS 3.1 · 4.4
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-19045.md and follow it. Check whether this project is affected by CVE-2019-19045. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4225-1/
- https://usn.ubuntu.com/4225-2/
- https://usn.ubuntu.com/4226-1/
- https://usn.ubuntu.com/4227-1/
- https://usn.ubuntu.com/4227-2/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4225-1/
- https://usn.ubuntu.com/4225-2/
- https://usn.ubuntu.com/4226-1/
- https://usn.ubuntu.com/4227-1/
- https://usn.ubuntu.com/4227-2/